pg_tmp, ephemeralpg: merge packages

pkgs/development/tools/database/ephemeralpg/default.nix

@@ -0,0 +1,22 @@
+{ stdenv, fetchurl, postgresql, getopt, makeWrapper }:
+stdenv.mkDerivation rec {
+  name = "ephemeralpg-${version}";
+  version = "2.5";
+  src = fetchurl {
+    url = "http://ephemeralpg.org/code/${name}.tar.gz";
+    sha256 = "004fcll7248h73adkqawn9bhkqj9wsxyi3w99x64f7s37r2518wk";
+  };
+  buildInputs = [ makeWrapper ];
+  installPhase = ''
+    mkdir -p $out
+    PREFIX=$out make install
+    wrapProgram $out/bin/pg_tmp --prefix PATH : ${stdenv.lib.makeBinPath [ postgresql getopt ]}
+  '';
+  meta = with stdenv.lib; {
+    description = ''Run tests on an isolated, temporary PostgreSQL database.'';
+    license = licenses.isc;
+    homepage = http://ephemeralpg.org/;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ hrdinka ];
+  };
+}